Back to Matrix [θ] → [tʰ] Edit this Data

[tʰ]→[θ]Certainty: 5/5Commonality: 4/5

Spirantization Hellenic Consonant Shift Germanic

Voiceless aspirated alveolar plosive to Voiceless dental fricative

The spirantization of voiceless aspirated dental stops into dental fricatives is a key historical shift. This change is famously observed in the development of Ancient Greek, where θ was originally an aspirated stop [tʰ] and later became the fricative [θ].

Phonetic Effects

Spirantization

Language Examples

Ancient Greek Hellenic

[tʰ]→[θ]— θ (theta) originally represented [tʰ] but shifted to [θ] by the Koine period.

Germanic (Grimm's Law) Germanic

*t→θ— PIE *t > Proto-Germanic *θ through an intermediate aspirated stage *tʰ.

Related Transformations

Reverse

More Germanic Shifts

[a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction [æ] → [ɛ] — Vowel Raising

Sources & References

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